Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual time da casa tem um time visitante de fitzroy?
 ###Tabelas: CREATE TABLE round_18 (round_18_id AUTO_INCREMENT PRIMARY KEY, Home team VARCHAR, Home team score VARCHAR, Away team VARCHAR, Away team score VARCHAR, Venue VARCHAR, Crowd INT, Date VARCHAR) CREATE TABLE fuxi_"earlier_heaven" (fuxi_"earlier_heaven"_id AUTO_INCREMENT PRIMARY KEY, 卦名 Name VARCHAR, 自然 Nature VARCHAR, 季节 Season VARCHAR, 性情 Personality VARCHAR, 家族 Family VARCHAR, 方位 Direction VARCHAR, 意義 Meaning VARCHAR) CREATE TABLE comparative_performance_in_the_latin_american_market (comparative_performance_in_the_latin_american_market_id AUTO_INCREMENT PRIMARY KEY, Selected Caribbean and n Latin America countries VARCHAR, Internl. tourist arrivals 2011 (x1000) INT, Internl. tourism receipts 2011 (million USD ) VARCHAR, Receipts per arrival 2010 (col 2)/(col 1) ( USD ) VARCHAR, Receipts per capita 2005 USD INT, Revenues as % of exports goods and services 2011 VARCHAR) CREATE TABLE step_races (step_races_id AUTO_INCREMENT PRIMARY KEY, !Race name INT, Grade VARCHAR, Racecourse VARCHAR, Distance VARCHAR, Priority-entry-rights to Derby VARCHAR) CREATE TABLE most_viewed_channels (most_viewed_channels_id AUTO_INCREMENT PRIMARY KEY, 2006 INT, 2007 INT, 2008 INT, 2009 INT, 2010 INT)  
SELECT Home team FROM round_18 WHERE Away team = fitzroy